Attachment for rocking-chairs.



PATENTED MAY l9, 1908.

M. G. CLBMONS. ATTACHMENT FOR ROCKING CHAIRS.

APPLIOATION FILED NOV. 21,1907,

INVENTOR. M. C C/emons W X Q, r v W.

' backward movement of the occu ant.

UNITED STATES PATENT OFFICE.

MELVIN C. CLEMONS, OF DENVER, (.OLORADO, ASSIGNOR OF ONE-THIRD TOWILLIAM E. WILLIAIBES AND ONE-THIRD TO CHARLES J. DICKINSON, BOTH OFDENVER, COLORADO.

ATTACHMENT FOR ROCKING-CHAIRS.

Specification of Letters Patent.

Patented. May 19, 1908.

Applicatioxi filed November 21, 1907. Serial No. M3314? T 0 all whom itmay concern:

Be it known that I, MELVIN C. CLEMoNs, a citizen. of the United Statesof America, residing at Denver, in the county of Denver and State ofColorado, have invented certain new and useful Im rovements inAttachrhents for Rocking-C hairs, of which the following is aspecification.

This invention relates to certain new and useful improvements inattachments for rocking chairs and more especially in the device shownand described in the application for patent Serial #358,129, filed by mein the United StatesPatent Oifice, Feb. 18- 1907; and allowed November,81907.

The object of the present invention is to provide a pneumatic'shoe ortread which may readily be applied to the rockers of a chairirrespective 0 their width or form and which when thus attached, willrender the motion of the chair easy and noiseless, avoid creeping anddamage to the floor and walls of the apartment or to furniture withwhich the rockers may come in contact and which will effectively preventaccidental overturning of the chair by excessive forwar? or attain thisobject by the device i ustrated in the accom anying drawing in thevarious views of w ich like parts are similarly designated and in whichFigure 1- represents a pers ective view of a rocker with my im roved s0e or tread in operative osition, Fig. 2 a plan view of the detachearticle, Fig. 3, a side elevation thereof, Fig. 4+ a longitudinalsection taken along a line 44, Fig. 2, Fig. 5 an enlarged transversesection through the rocker and the thereto attached tread and 6- a crosssfiction illustrating a modifie form of the s cc.

Referring to the drawings, let the reference character A designate thecurved rocker of a rocking chair, B the improved shoe or tread and O theclips by means of which the latter is held in osition underneath therocker. The tread Ifis composed of a tubular body 5 made of rubber orother elastic material, which terminates in and is integral with solidheads 6, the extremities of which are re curved to provide thehook-shaped members 7 which, in practice, engage the ends of the rockerto which the device is attached.

The cylindrical body portion 5 of the trend is provided with two or moreflat plates 8, whose upper surfaces are preferably tangent to thecircumferential surface of the said portion at its uppermost point andwhich project laterally beyond the said surface to provide lugs orridges 9 adapted to occupy seats 10 formed by the down and inwardly bentsides of the before named clips C which, for the purpose of attachingthe shoe to the rocker, are secured in enga ement withthe under surfaceof the latteriy means of centrally disposed screws 12. The solidterminal portions 6, the outer cylindrical surface of which form acontinuation of the circumferential surface of the hollow portion 5, areformed with depressions 13 and that of the lugs '9.

The de ressions 13 are, in practice, occupied by t e flat portion of thecorresponding clips 0, thereby allowing the heads 6 of the shoe to engae the lower surface of the rocker to which the article is attached. Theterminal portion 6 which when the device is in position on the chair,engages the rearmost extremity of the-rocker A, is provided with adependent, integral bumper 15 which during excessive backward movementof the chair, engages the floor and thus prevents overturning. A valve16 extending laterally from the tubular portion of the article incommunication with its interior, is rovided for the purpose ofdistending the said portion by forcing air thereinto. In. the formillustrated in F i 6 of the drawings, the upper ortion of t e tread has.been flattened to orln a b' tring surface which engages the lower sui.ace of the rocker to which the article is attached.

The shoe is secured to the rocker of a chair by means of the clips C ashereinbefore described and by placing the terminalhook members 7 overthe corresponding extremities of the said rocker.

By reason of the pliability of the members 7, the may be adjusted to therocker irres motive of the shape-of its extremities and the terminalportions of the heads 6, when the shoe is in place, present elasticbumpers which effectively avoiddamage to the walls of an apartment or toarticles of furniture with which they come in contact.

The solid heads extending underneath the extremities of the rocker aswell as the bumping block at the rearm-tist end thereof, preventoverturning of the chair by excessive movement in either direction,while, when the chair is in motion, they secure the tubular portion ofthe shoe against damage by unequal distribution of the air containedtherein, when, in the extreme positionsof the chair, the weight of theoccupant is brought to bear upon the extremities of the shoes.

Having thus described my invention What I claim is: '5

A device of the class nemed comprising an elastic cylindrical bodyincluding a tubular

